CN211685705U - Material stop device and packagine machine - Google Patents
Material stop device and packagine machine Download PDFInfo
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- CN211685705U CN211685705U CN201922312574.3U CN201922312574U CN211685705U CN 211685705 U CN211685705 U CN 211685705U CN 201922312574 U CN201922312574 U CN 201922312574U CN 211685705 U CN211685705 U CN 211685705U
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Abstract
The utility model relates to a material that uses on packagine machine ends device, the device includes: the filter, the blanking pipe, the screw rod and the hollow outer pipe wall; the filter comprises a matching part, a connecting part and a filtering part, and the matching part is connected with the blanking pipe; the blanking pipe is vertically inserted into the hollow outer pipe wall, so that the connecting part of the filter is connected with one end of the hollow outer pipe wall; the screw rod is vertically inserted into the blanking pipe and contacts the filtering part of the filter to form a blanking channel; a sealing part is arranged in a gap between the outer wall of the blanking pipe and the hollow outer pipe wall, and a gas extraction port is arranged on the hollow outer pipe wall, so that when gas is extracted from the gas extraction port, a negative pressure is formed at the blanking port at one end of the blanking channel. According to the invention, the negative pressure is formed at the feed opening by extracting the gas, and the material is stopped at the feed opening, so that the metering is more accurate and efficient.
Description
Technical Field
The utility model relates to a material measurement field especially relates to a material stop device and a packagine machine.
Background
When the packaging machine packages materials, the packaging machine seals the package after the metering device of the materials stops discharging. However, the powdery and granular materials have high fluidity and continuously leak out of the metering device of the packaging machine after the metering device stops discharging, so that the weight of the final packaged product is not up to standard.
In general, a mechanical shut-off device can be used to prevent a material leakage. The mechanical stopping device adopts a pneumatic or electric mode and drives a mechanical opening and closing structure at the feed opening through a set of mechanical transmission structure, the metering outlet is opened when the material is metered and fed, and the metering outlet is closed when the feeding is stopped or at a certain time before the feeding is stopped. For example, a mechanical opening and closing door structure can close the feeding opening at the moment when the metering device stops feeding.
Mechanical stops have been used for a long time and the technology is relatively mature, but there are also significant disadvantages. The mechanical stopping device cannot adapt to production occasions of high-frequency motion, has higher requirements on processing of parts, and occupies the inner space of a discharging pipe of a packaging machine to install a transmission structure and a driving structure of the stopping device. Meanwhile, the mechanical transmission structure and the driving structure easily cause looseness of the device in long-time operation, and parts such as screws or powder generated by friction easily and directly enter a packaging bag to cause quality accidents. In addition, the mechanical stopping device adopts the principle that the mechanical plate or mechanical block and other obstacles are used for stopping the falling of the materials, the obstacles are in hard contact with the materials, the mechanism cannot completely realize material cutting and sealing due to the processing error of the mechanical mechanism and the position of the transmission mechanism, the aim of accurately metering the materials with high fluidity cannot be achieved, and the mechanical stopping device is limited by production sanitation, device size and the like, and soft sealing materials cannot be used.
SUMMERY OF THE UTILITY MODEL
For solving the problem of the accurate measurement to the better material of mobility, the utility model discloses a material is by device and packagine machine. The technical scheme is as follows:
in a first aspect, the present invention provides a material stopping device, which is characterized in that the material stopping device comprises:
the filter, the blanking pipe, the screw rod and the hollow outer pipe wall;
one end of the filter is provided with a matching part, the other end of the filter is provided with a connecting part, and the filter also comprises a filtering part positioned between the matching part and the connecting part;
the matching part of the filter is connected with the end part of the blanking pipe in a matching way; the blanking pipe is vertically inserted into the hollow outer pipe wall, so that the connecting part of the filter is hermetically connected with one end of the hollow outer pipe wall;
the spiral rod is vertically inserted into the blanking pipe and contacts with the filtering part of the filter to form a blanking channel;
a gap between the outer wall of the blanking pipe and the hollow outer pipe wall is provided with a sealing part, and the hollow outer pipe wall is also provided with a gas extraction port, so that when gas is extracted from the gas extraction port, a negative pressure is formed at the blanking port at one end of the blanking channel.
Further, the screw rod is controlled by a driving device, and the driving device is used for controlling the rotation number of the screw rod.
Further, the driving device comprises a controller and a driver; the controller is in communication connection with the driver; the driver is connected with the screw rod.
Further, the matching part of the filter is provided with an interface groove, and the end part of the discharging pipe is provided with a corresponding interface bulge, so that the filter is detachably matched and connected with the end part of the discharging pipe.
Further, the filtering part of the filter is provided with at least one filtering belt, and the at least one filtering belt is provided with a plurality of filtering holes.
Further, the diameter of the filtering hole of the filtering part is smaller than that of the material.
Furthermore, a connecting flange is arranged at the connecting part of the filter, and a sealing ring is arranged at one end of the hollow outer pipe wall, so that the connecting part of the filter is hermetically connected with one end of the hollow outer pipe wall.
Further, a gas extraction port on the wall of the hollow outer pipe is connected with a vacuum generating device and a filtering and dedusting device through a pipeline.
In a second aspect, the present invention provides a packaging machine, wherein the packaging machine comprises a material stopping device according to the first aspect of the present invention.
Adopt above-mentioned technical scheme, a material stop device and packagine machine have following beneficial effect: the utility model forms negative pressure at the feed opening through the stopping device to stop the material at the feed opening, thereby effectively preventing the material leakage and accurately metering the material with stronger fluidity; simultaneously the utility model discloses reduce mechanical type structure's use for the transmission and the packing of material, improved whole packagine machine's functioning speed and made the inner space of unloading pipe obtain maximum utilization.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic cross-sectional view of a material stopping device according to an embodiment of the present invention, which is partially enlarged;
fig. 2 is a schematic structural diagram of a filter in a material stopping device according to an embodiment of the present invention;
fig. 3 is a schematic view of a complete cross-sectional structure of a material stopping device provided in an embodiment of the present invention;
fig. 4 is a schematic view of a material stopping device according to an embodiment of the present invention;
in the figure, 1-matching part, 2-filtering part, 3-connecting part, 4-hollow outer pipe wall, 5-chamber, 6-sealing ring, 7-screw rod, 8-blanking pipe, 9-blanking channel, 10-external atmosphere, 11-sealing part, 12-pipeline, 13-vacuum generating device and filtering dust removing device.
Detailed Description
In order to make the technical solution of the present invention better understood, the technical solution of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall belong to the protection scope of the present invention.
Reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic described in connection with at least one implementation of the invention is included. In the description of the present invention, it is to be understood that the terms "upper", "top", "bottom", and the like refer to orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. Moreover, the terms "first," "second," and the like are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in sequences other than those illustrated or otherwise described herein.
Fig. 1 is the embodiment of the present invention provides a locally enlarged cross-sectional structure diagram of a material stopping device, fig. 2 is the embodiment of the present invention provides a structural diagram of a filter in a material stopping device, fig. 3 is the embodiment of the present invention provides a complete cross-sectional structure diagram of a material stopping device. As shown in fig. 1, 2 and 3, the material stopping device includes:
a filter, a blanking pipe 8, a screw rod 7 and a hollow outer pipe wall 4; one end of the filter is provided with a matching part 1, the other end of the filter is provided with a connecting part 3, and the filter also comprises a filtering part 2 positioned between the matching part 1 and the connecting part 3; the matching part 1 of the filter is connected with the end part of the blanking pipe 8 in a matching way; the feeding pipe 8 is vertically inserted into the hollow outer pipe wall 4, so that the connecting part 3 of the filter is hermetically connected with one end of the hollow outer pipe wall 4; the screw rod 7 is vertically inserted into the blanking pipe 8 and contacts the filtering part 2 of the filter to form a blanking channel 9; a sealing part 11 is arranged in a gap between the outer wall of the blanking pipe 8 and the hollow outer pipe wall 4, and a gas extraction port is further arranged on the hollow outer pipe wall 4, so that when gas is extracted from the gas extraction port, a negative pressure is formed at the blanking port at one end of the blanking channel 9.
Further, the screw 7 is controlled by a driving device, and the driving device is used for controlling the number of turns of the screw 7.
It will be appreciated that the screw 7 is used for the transfer and metering of material, and that the screw 7 is rotated to transfer material from the inlet opening of the feed channel 9 to the discharge opening. The number of turns of the screw rod 7 is preset according to the weight of the material to be measured. After a preset number of turns, the screw 7 stops rotating.
Further, the driving device comprises a controller and a driver; the controller is in communication connection with the driver; the driver is connected with the screw rod.
It is understood that the driver may drive the screw 7 in a pneumatic or electric manner, and the controller is used to control the number of turns of the screw 7.
Preferably, the fitting part 1 of the filter is provided with an interface slot, and the end part of the blanking pipe 8 is provided with a corresponding interface projection, so that the filter is detachably connected with the end part of the blanking pipe 8 in a fitting manner.
In a specific embodiment, the matching part 1 of the wave filter is a connecting interface, the connecting interface is a hollow columnar structure, the connecting interface is provided with two boot-shaped grooves, and the periphery of the end part of the blanking pipe 8 is provided with corresponding bulges. The protrusions are embedded into the notches through rotation, and the filter is connected with the blanking pipe in a matched mode. Simultaneously, the filter is also connected with the unloading pipe in a detachable way, and the filter is convenient to replace according to the mesh number of the materials.
Further, the filter part 2 of the filter is provided with at least one filter belt provided with a plurality of filter holes.
Preferably, the filtering part 2 of the filter is a hollow cylindrical filter screen, the surface of the filter screen is vertically provided with a plurality of filter belts in parallel, and each filter belt is vertically provided with a plurality of meshes with the same size.
Further, the diameter of the filtering hole of the filtering part is smaller than that of the material.
It will be understood that the filter holes of the filter house are used for the extraction of gas from the blanking channel 9, while the material in the blanking channel 9 is blocked in the blanking channel 9, i.e. inside the filter, so that the diameter of the filter holes of the filter house 2 needs to be smaller than the diameter of the material. Preferably, the maximum diameter of the filter holes of the filter part 2 is smaller than the minimum diameter of the material.
Further, the connecting portion 3 of the filter is provided with a connecting flange, and one end of the hollow outer tube wall 4 is provided with a sealing ring 6, so that the connecting portion 3 of the filter is hermetically connected with one end of the hollow outer tube wall 4.
It can be understood that the hollow outer pipe wall 4 is connected to the filter in a sealing manner by the sealing ring 6 and the connecting portion 3, and the hollow outer pipe wall 4 is connected to one end of the feeding pipe 8 in a sealing manner by the sealing member 11, so as to form the chamber 5, so that the gas in the feeding channel 9 is pumped out through the chamber 5, and a negative pressure is formed at the feeding opening of the feeding channel 9, so as to stop the material at the feeding opening.
Further, the gas extraction port on the hollow outer pipe wall 4 is connected with a vacuum generating device and a filtering and dust removing device 13 through a pipeline 12.
Preferably, the vacuum generating device is a vacuum generator, and the vacuum generator is controlled by the control device. When the screw 7 stops rotating, the vacuum generator starts to work, and the gas in the blanking channel 9 is pumped to the outside through the filtering part 2 of the filter, the chamber 5 and the pipeline 12. The filtering and dedusting device filters and removes dust of the extracted gas, and prevents materials or other particles mixed in the gas from being discharged into the outside air.
Fig. 4 is a schematic diagram of the material stop device provided by the embodiment of the utility model, as shown in fig. 4, after the hob rotates the predetermined number of turns, the vacuum generator and the dust collector that filters start, and the gas in the unloading passageway passes through the filtration hole of filter, cavity and pipeline and arranges the external world, and the volume is certain in the unloading passageway, and gaseous reduction causes the negative pressure of unloading mouth department in the passageway. At the same time, the external atmosphere 10 has an atmospheric pressure F on the material at the feed opening. At the moment, the pressure of the outside atmosphere is higher than the pressure of the material outlet in the material discharging channel, the material is stopped at the material outlet by the pressure difference generated by the pressure of the outside atmosphere and the pressure difference, the material cannot leak into the packaging bag, and the purpose of accurately metering the material with strong fluidity is achieved.
The utility model also provides a packagine machine, a serial communication port, packagine machine includes foretell material stop device.
The embodiment of the utility model provides a pair of material is by device has following beneficial effect: the utility model forms negative pressure at the feed opening through the stopping device to stop the material at the feed opening, thereby effectively preventing the material leakage and accurately metering the material with stronger fluidity; simultaneously the utility model discloses reduce mechanical type structure's use for the transmission and the packing of material have improved whole packagine machine's functioning speed, and have made the inner space of unloading pipe obtain maximum utilization.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
Claims (9)
1. A material shutoff device, comprising:
the filter, the blanking pipe, the screw rod and the hollow outer pipe wall;
one end of the filter is provided with a matching part, the other end of the filter is provided with a connecting part, and the filter also comprises a filtering part positioned between the matching part and the connecting part;
the matching part of the filter is connected with the end part of the blanking pipe in a matching way; the blanking pipe is vertically inserted into the hollow outer pipe wall, so that the connecting part of the filter is hermetically connected with one end of the hollow outer pipe wall;
the spiral rod is vertically inserted into the blanking pipe and contacts with the filtering part of the filter to form a blanking channel;
a gap between the outer wall of the blanking pipe and the hollow outer pipe wall is provided with a sealing part, and the hollow outer pipe wall is also provided with a gas extraction port, so that when gas is extracted from the gas extraction port, a negative pressure is formed at the blanking port at one end of the blanking channel.
2. The material stop device of claim 1, wherein the screw is controlled by a drive device for controlling a number of turns of the screw.
3. The material stop device of claim 2, wherein the drive device comprises a controller and a drive; the controller is in communication connection with the driver; the driver is connected with the screw rod.
4. The material stopping device according to claim 1, wherein the fitting portion of the filter is provided with an interface groove, and the end portion of the blanking pipe is provided with a corresponding interface protrusion, so that the filter is detachably fitted and connected with the end portion of the blanking pipe.
5. The material stop device of claim 1, wherein the filter portion of the filter is provided with at least one filter belt, the at least one filter belt being provided with a plurality of filter holes.
6. The material stopping device according to claim 5, wherein the diameter of the filtering hole of the filtering portion is smaller than the minimum diameter of the material.
7. The material stopping device as claimed in claim 1, wherein the connecting portion of the filter is provided with a connecting flange, and one end of the hollow outer tube wall is provided with a sealing ring, so that the connecting portion of the filter is hermetically connected with one end of the hollow outer tube wall.
8. The material stopping device as claimed in claim 1, wherein the gas extraction port on the wall of the hollow outer pipe is connected with the vacuum generating device and the filtering and dust removing device through a pipeline.
9. A packaging machine, characterized in that it comprises a material stop according to any one of claims 1-8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922312574.3U CN211685705U (en) | 2019-12-20 | 2019-12-20 | Material stop device and packagine machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922312574.3U CN211685705U (en) | 2019-12-20 | 2019-12-20 | Material stop device and packagine machine |
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| Publication Number | Publication Date |
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| CN211685705U true CN211685705U (en) | 2020-10-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201922312574.3U Active CN211685705U (en) | 2019-12-20 | 2019-12-20 | Material stop device and packagine machine |
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| CN (1) | CN211685705U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112709445A (en) * | 2020-12-21 | 2021-04-27 | 河北东风世景轨道有限公司 | Concrete spreader |
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2019
- 2019-12-20 CN CN201922312574.3U patent/CN211685705U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112709445A (en) * | 2020-12-21 | 2021-04-27 | 河北东风世景轨道有限公司 | Concrete spreader |
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